Slimline Double Hung Vinyl Windows
Overview

Portland Glass offers slimline double hung vinyl windows that feature fully welded sashes and frames. This unique design minimizes the bulk and width of the sash frames to increase your exterior viewing area. Slimline Double Hung Windows are designed with the latest technology to produce an attractive window at an affordable price, without compromising on features. Each Slimline Double Hung Window is custom built to fit your home’s exact measurements for unsurpassed fit and finish.
Slimline Double Hung Vinyl Windows PDF brochure
View Warranty (PDF)
Features of Slimline Double Hung Windows include:
- Maintenance free factory calibrated block & tackle balances for smooth sash operation
- Insulating glass to cut energy costs
- Easy to operate half screen
- Screen made of durable fiberglass mesh
- ENERGY STAR certified
- High-quality designs
- Custom manufacturing
- Options of white or almond
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Colors & Hardware
Interior Colors/Finishes

Almond |

White |
Exterior Colors/Finishes

Almond |

White |
Hardware
*Due to monitor printing limitations, stain and paint colors shown are for representation only.
Grids & Screens
Grids
Grid Configurations
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Colonial
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Prairie
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Diamond (only offered in flat bar design GBG)
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Custom configurations may be available upon request
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Grids Between the Glass (GBG)
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5/8" Contoured, Color-Matched
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Screens
Half Screen
- Fiberglass wire (standard)
Full Screen
Options
Glazing
- Clear Insulated (standard)
- Low-E
- Low-E/Argon
- Double Low-E/Argon
- Obscure
- Tempered
Additional Options
- DP 50 Upgrade
- Foam-Filled Frame/Sash
- Structural Mullion
- Foam Wrap
Performance
Thermal Performance
| Glazing |
U-Factor |
R-Value |
SHGC |
Visible Light Transmittance |
Region |
| Clear |
0.49 |
2.04 |
0.59 |
0.63 |
--- |
| Low-E |
0.36 |
2.78 |
0.30 |
0.54 |
NC, SC, S |
| Low-E/Argon |
0.32 |
3.13 |
0.30 |
0.54 |
All Zones |
| 2X Low-E/Argon |
0.32 |
3.13 |
0.28 |
0.47 |
All Zones |
| †Federal Incentive Package |
0.30 |
3.33 |
0.21 |
0.50 |
All Zones |
| Clear w/Grid |
0.49 |
2.04 |
0.53 |
0.56 |
--- |
| Low-E w/Grid |
0.36 |
2.78 |
0.27 |
0.49 |
NC, SC, S |
| Low-E/Argon w/Grid |
0.32 |
3.13 |
0.27 |
0.49 |
All Zones |
| 2X Low-E/Argon w/Grid |
0.32 |
3.13 |
0.26 |
0.42 |
All Zones |
| †Federal Incentive Package w/Grid |
0.30 |
3.33 |
0.19 |
0.45 |
All Zones |
* .35 U-Factor or lower are ENERGY STAR qualified in New England, NY and PA.
† Federal Incentive Package: windows will meet tax credit requirements of .30 U-Factor & .30 SHGc Value; click here for more information
Structural Performance
| Unit Size |
Air Infiltration |
Water Resistance |
Structural Pressure |
Design Pressure |
Structural Rating |
| 46x60 |
0.12 cfm/sq. ft. |
5.25 psf |
45.00 psf |
DP30 |
H-R30 |
| 40x63** |
0.22 cfm/sq. ft. |
7.52 psf |
75.24 psf |
DP50 |
H-R50 |
* Reinforced Sash
** Sill rise extender will reduce clear opening height by 9/16"
Portland Glass® is proud to install windows manufactured by Harvey Industries of Waltham, Massachusetts.
For more information or any questions regarding Slimline double hung vinyl windows, contact the certified professionals at Portland Glass. We are located throughout Maine, Vermont and New Hampshire with 38 locations to serve you.
Maine | New Hampshire | Vermont